165350215 has 8 divisors (see below), whose sum is σ = 198505008. Its totient is φ = 132223680.

The previous prime is 165350209. The next prime is 165350219. The reversal of 165350215 is 512053561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165350215 - 2⁹ = 165349703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165350219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9235 + ... + 20395.

It is an arithmetic number, because the mean of its divisors is an integer number (24813126).

Almost surely, 2^165350215 is an apocalyptic number.

165350215 is a deficient number, since it is larger than the sum of its proper divisors (33154793).

165350215 is a wasteful number, since it uses less digits than its factorization.

165350215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14129.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 165350215 is about 12858.8574531332. The cubic root of 165350215 is about 548.8684338509.

The spelling of 165350215 in words is "one hundred sixty-five million, three hundred fifty thousand, two hundred fifteen".